What is the length of the altitude of a triangle with a base of 10 units and an area of 20 square units?
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Find the square root of 169 and add it to the square root of 144. Multiply the result by the square root of 121. Round the answer to the nearest whole number.
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What is the dot product of vectors A = (3, -2, 4) and B = (5, 1, -2)?